Home / 56,592,878.80-84,889,318.20-20,218,694.80

Finding the Fourth Proportional to 56,592,878.80, 84,889,318.20 and 20,218,694.80

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Solution

The fourth proportional to 56,592,878.80, 84,889,318.20 and 20,218,694.80 is: 30,328,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,592,878.80 : 84,889,318.20 = 20,218,694.80 : x
  2. Step 2: Convert to fraction form
    56,592,878.80/84,889,318.20 = 20,218,694.80/x
  3. Step 3: Cross multiply
    56,592,878.80x = 84,889,318.20 × 20,218,694.80
  4. Step 4: Simplify right side
    56,592,878.80x = 1,716,351,216,465,885.50
  5. Step 5: Solve for x
    x = 1,716,351,216,465,885.50/56,592,878.80
  6. Step 6: Final answer
    x = 30,328,042.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.